Best E5 Series User Manual page 138

Chapter 5 Specification of Parameters
ASR parameters are normally adjusted in the following order: select appropriate switching
frequency. Adjust proportional gain P32.01 and integration time P32.02 at high speed, ensuring
the system has no oscillation and meets the requirements of dynamic response characteristics.
Adjust proportional gain P32.03 and integration time P32.04 at low speed, ensuring there is no
oscillation at low speed and requirements of dynamic response characteristics are met.

ATTENTION:
Inappropriate parameters of Kp, Ti may bring about overcurrent or overvoltage faults.
Usually fine adjustment should be performed close to factory default parameter.
P32.07 ASR input filtering time
Sets the input filtering time of ASR. No need to modify its default setting if there is no special
requirement.
P32.08 ASR output filtering time
Sets the output filtering time of ASR. No need to modify its default setting if there is no special
requirement.
ACR proportion coefficient
P32.09
ACR integration coefficient
P32.10
These two parameters determine the characteristics of automatic current regulator (ACR)
under SVC pattern. Increment of proportion coefficient and/or integration coefficient can
shorten torque response time. Reduction of proportion coefficient an/or integration coefficient
can increase the stability of the system. Inappropriate setting may bring about system
oscillation. Factory default is not needed to be changed in most cases.
P32.11 Pre-excitation time
Applies to asynchronous motor. To attain quick start, it is necessary to perform pre-excitation
before the running of motor, and the pre-excitation time is set by this parameter. Properly
establish stable flux prior and then ramp up quickly. The set value of 0.000s means "no
pre-excitation" and ramp up at the moment of the receipt of run command. Pre-excitation time
is not included in Accel/Decel time. Factory default is suggested to maintain in most cases.
Driven torque limited
P32.12
Under the pattern of SVC speed control, and when the motor is driving an electric-driven load, it
Kp
Ki
source
Range: 0.0ms~500.0ms
Range: 0.0ms~500.0ms
Range: 0.000~4.000
Range: 0.000~4.000
Range: 0.000s~5.000s
Range: 0~5
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E5 User Manual
Factory default:
0.3ms
Factory default:
0.3ms
Factory default:
1.000
Factory default:
1.000
Factory default:
0.200s
Factory default: 0